121212006384 has 120 divisors (see below), whose sum is σ = 368347830480. Its totient is φ = 34242819072.

The previous prime is 121212006379. The next prime is 121212006389. The reversal of 121212006384 is 483600212121.

It is an interprime number because it is at equal distance from previous prime (121212006379) and next prime (121212006389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212006389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80199 + ... + 498854.

It is an arithmetic number, because the mean of its divisors is an integer number (3069565254).

Almost surely, 2^121212006384 is an apocalyptic number.

121212006384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121212006384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184173915240).

121212006384 is an abundant number, since it is smaller than the sum of its proper divisors (247135824096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121212006384 is a wasteful number, since it uses less digits than its factorization.

121212006384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579167 (or 579154 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 121212006384 in words is "one hundred twenty-one billion, two hundred twelve million, six thousand, three hundred eighty-four".